config: limit resource set acquisition to non-system surfaces.

config: limit resource set acquisition to non-system surfaces.

System surfaces have no resource sets, so trying to acquire them
leads to them just being not found and spamming the log with
error-like messages. Also generally move definition of locals to
the beginning of the block.

Change-Id: Idf553cc44ce5b84c3b002087164d6e7f4700dcb9